*SUPPORT*
IN: wif dax tufa OUT: RED PURPLE RED PURPLE
IN: fep dax wif OUT: BLUE RED BLUE RED
IN: tufa OUT: PURPLE
IN: lug OUT: PINK
IN: tufa dax wif OUT: PURPLE RED PURPLE RED
IN: lug fep gazzer OUT: PINK BLUE BLUE
IN: lug tufa gazzer OUT: PINK PURPLE PURPLE
IN: lug wif OUT: PINK RED
IN: tufa zup OUT: PURPLE PURPLE PURPLE PURPLE
IN: fep dax lug OUT: BLUE PINK BLUE PINK
IN: tufa fep OUT: PURPLE BLUE
IN: wif gazzer OUT: RED RED
IN: lug wif wif OUT: PINK RED RED
IN: tufa gazzer OUT: PURPLE PURPLE

*QUERY*
IN: lug gazzer OUT: PINK PINK
IN: fep OUT: BLUE
IN: lug zup OUT: PINK PINK PINK PINK
IN: wif dax fep OUT: RED BLUE RED BLUE
IN: lug dax tufa OUT: PINK PURPLE PINK PURPLE
IN: fep zup OUT: BLUE BLUE BLUE BLUE
IN: wif OUT: RED
IN: tufa dax lug OUT: PURPLE PINK PURPLE PINK
IN: lug dax fep OUT: PINK BLUE PINK BLUE
IN: tufa lug dax wif OUT: PURPLE PINK RED PINK RED

*GRAMMAR*
tufa -> PURPLE 
 lug -> PINK 
 wif -> RED 
 fep -> BLUE 
 u1 dax u2 -> [u1] [u2] [u1] [u2] 
 u1 gazzer -> [u1] [u1] 
 u1 zup -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 